| Tail Number / N-Number | N54XD |
| Manufacturer | KIRK WHEELER |
| Model | SKY 21 |
| Year Built | 2022 |
| Manufacturer's Serial Number | 140742 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | YIO-390 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 210 hp (157 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | WHEELER KIRK C |
| Other Names |
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| Street | 4065 MORATALLA TER |
| City | SAN DIEGO |
| State | CA |
| Zip Code | 92130-2284 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-04-23 |
| Certificate Issue Date | 2021-04-27 |
| Last Action Date | 2021-04-27 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51553644 |
| Mode S Code Hex | A6D7A4 |